GREEN VALLEY AMATEUR RADIO CLUB
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RFI Mitigation Group

Equipment manufacturing practices and FCC enforcement have diminished to the point we have a serious deterioration of our assigned radio spectrum. The need for capable assistance in maintaining our abilities to communicate as amateur radio operators is critical. In reality it is becoming more difficult and frustrating every day so some action needs to be taken.

At this time we are forming a group to deal with RFI (Radio Frequency Interference) problems. We will deal with both issues of interference to our amateur equipment and interference caused by our equipment. As can be expected, in many situations we can only advise people of solutions.

Our equipment and training will allow us to help locate offending faulty power lines, poorly designed household equipment such as plasma TV’s, power supplies, lighting fixtures, electric motors, machine control circuits, etc. We will also be able to show if your equipment meets transmission standards. However, if neighbor ‘s equipment is involved or there might be HOA or government involvement, the groups activity will be at your direction.

Some of the equipment we have available is shown in the following pictures. Members of the RFI Mitigation group are encouraged to trial and learn by using this equipment. Hopefully we can improve out arsenal with more state-of-the-art devices in the future.

Our DF loop for HF. A description of construction is in another section.
Picture
A 20 meter signal source with which to test equipment.
Picture
Picture
A TinySA (Spectrum Analyzer), one device we have to work with the DF loop in a portable mode.
Picture
A couple of SDR’s to use with the DF loop and a laptop or tablet when audio is required.

Picture
We have a current volume of ARRL’s RFI Mitigation available for members use.
Picture
Please contact Ed, N9MW, ([email protected]) if you are in need of help solving RFI problems. You can also be included in the RFI reflector to stay abreast of the groups progress.

EST 3-10-21

  • Home
    • Repeater Info
    • OUR Web SDR
  • Projects
    • 13.8 Volt Load
    • Antenna Ideas
    • Antenna Construction Ideas
    • Dummy Load
    • Past Projects >
      • Organization
      • RFI Mitigation >
        • Direction Finders
      • 2 Meter Gallery
      • Vertical Flagpole
      • Magnetic Loop
      • Wire Antennas
      • SDR Dongles
      • On the Ground Loop Antenna
  • Activities
    • Calendar
    • NETS >
      • Sunday - Two Meter Net
      • Tuesday - Oatmeal Net
      • Thursday- N7GV Simplex Net
      • Wednesday - Snow Bird Net
      • Inactive Nets >
        • Monday - DMR Net
    • Contests >
      • Winter Field Day
      • 7qp
      • Field Day
      • Arizona QSO Party
    • Social Time Out >
      • Wednesday - Breakfast
      • Thursday Evening Dinner
    • Picnics
    • Special Events
    • Titan Missile Museum
    • Driveouts
    • Road Cleanup
    • Parks on the Air
    • HamFest 2025
  • About
    • 2025 Board Members
    • 2025 Committees
    • Meeting Minutes
    • For New Members
    • Get Help
    • Ham Radio Sites
    • Classes & VE Testing
    • CW Interest
    • Ready, Set, Go Info >
      • Ready, Set, Go
      • Your Go Kit
      • My Alerts
    • Donations of Radio Equipment
    • History
    • Gallery
    • GVARC Certificates
    • EchoLink
    • BaoFeng HTs
    • Contact Us
    • We belong to ARCA
    • Miscellaneous >
      • Emergency Plan
      • Links
      • Technical Blog
  • Members
    • Ham Gear for GVARC Members
    • Current Roster
    • GVARC Logo Items
    • Inventory
    • Members We Honor
    • Name Badge Request
    • DMR Info
    • Win System
    • Member Profiles